Arsenal forward Gabriel Martinelli says Nottingham Forest's Djed Spence has been the toughest opponent he has faced this season.
The Gunners ace says the on-loan Middlesbrough attacker caught his eye after the Reds stunned Mikel Arteta's side in the FA Cup back in January as Steve Cooper's side sealed a 1-0 win in the third round.
Lewis Grabban's goal sealed a famous triumph for Forest in what was a wonderful performance which then set up a fourth-round clash against Leicester City which the Reds won 4-1.